peter bassill · operator
$ cve CVE-2018-15596 JSON

CVE-2018-15596 EXPLOIT

6.1
MEDIUM · CVSS 3.0 · EPSS 2.3% (pctl 82)

Patch early

A public exploit exists.

Description

An issue was discovered in inc/class_feedgeneration.php in MyBB 1.8.17. On the forum RSS Syndication page, one can generate a URL such as http://localhost/syndication.php?fid=&type=atom1.0&limit=15. The thread titles (within title elements of the generated XML documents) aren't sanitized, leading to XSS.

Scoring

CVSS6.1 (MEDIUM, v3.0)
VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS2.26% — more likely to be exploited than 82% of all CVEs
WeaknessCWE-79
On CISA KEVno
Public exploityes
Published2018-08-28
Last modified2026-06-17

Affected (1)

VendorProduct
mybbmybb

Public exploits

SourceTitleDate
exploit-dbMyBB 1.8.17 - Cross-Site Scripting2018-09-12

References

→ the Explorer  ·  watch your stack  ·  NVD